AS5500 — CHESS Commercial Internet Service Provider

Network type: residential

AS5500 announces 9 IPv4 prefixes covering 18,432 addresses and 3 IPv6 prefixes.

About this network

CHESS is Chess ICT Ltd, a British business-communications and managed-IT provider based at Alderley Park in Cheshire. The RIPE record still describes it plainly as a "Commercial Internet Service Provider".

What it's used for

• Connectivity and hosted services sold to UK businesses: broadband and leased lines, VoIP and hosted telephony, mobile, and managed IT.
• The address space serves customer sites and Chess's own service platforms rather than a residential eyeball base.

Notable

• This is a business ISP, not a consumer one. Chess sells to SMEs and enterprises, so the routed space skews toward office sites, hosted voice and managed services.
• Chess is multi-homed through several UK and international transit providers and peers widely, which is typical for a mid-sized business operator that must keep customer circuits up.

Interesting

• The company grew out of the UK telecoms reseller market of the 1990s and later folded ICT and cloud services into the same business, which is why one AS carries both connectivity and hosted-application traffic.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 80.92.144.0/20
• 192.153.153.0/24
• 193.93.203.0/24
• 193.108.218.0/24
• 195.72.113.0/24
• 195.72.114.0/23
• 195.128.250.0/23
• 195.206.192.0/19
• 217.22.80.0/20
• 2a00:1160::/29
• 2a02:56c0::/32
• 2a05:aa40::/29

Upstream networks

• AS174 Cogent Communications, LLC
• AS39326 Syntura Group Limited
• AS6939 Hurricane Electric LLC
• AS28816 Chess ICT Ltd
• AS34549 meerfarbig GmbH & Co. KG
• AS50304 Blix Solutions AS
• AS48185 team.blue NV
• AS37721 Virtual Technologies & Solutions
• AS48362 Stadtwerke Feldkirch
• AS50300 CustodianDC Limited
• AS17639 Converge ICT Solutions Inc.
• AS24482 SG.GS
• AS31500 Global Network Management Inc
• AS37100 SEACOM Limited
• AS12552 GlobalConnect AB
• AS3741 Dimension Data
• AS4657 StarHub Ltd
• AS12779 IT.Gate S.p.A.
• AS9002 RETN Limited
• AS25091 IP-Max SA
• AS213241 TECHIT.BE SRL

Adjacent networks

• AS174 Cogent Communications, LLC
• AS39326 Syntura Group Limited
• AS6939 Hurricane Electric LLC
• AS28816 Chess ICT Ltd
• AS34549 meerfarbig GmbH & Co. KG
• AS50304 Blix Solutions AS
• AS17639 Converge ICT Solutions Inc.
• AS37721 Virtual Technologies & Solutions
• AS50300 CustodianDC Limited
• AS24482 SG.GS
• AS48362 Stadtwerke Feldkirch
• AS48185 team.blue NV
• AS4657 StarHub Ltd
• AS3741 Dimension Data
• AS37100 SEACOM Limited
• AS12552 GlobalConnect AB
• AS31500 Global Network Management Inc
• AS12779 IT.Gate S.p.A.
• AS9002 RETN Limited
• AS213241 TECHIT.BE SRL
• AS25091 IP-Max SA

Routing security

• RPKI: 9 valid, 0 invalid and 3 not-found announcements; 9 ROAs.
• ASPA: none published.
• IRR: 92% of announcements registered; 12 route objects.
• Listed in as-sets: AS-CONNETU-LINX, AS-DEMONCUST, AS-GOSCOMB, AS-GTTCUST, AS-MDNX, AS-NTLI, AS-UUNETUK, AS51202:AS-ALL.

Internet exchanges

• LINX LON1 — London, United Kingdom